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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EDD11F94-D8F3-477D-931C-7806D6E5D6D3", "versionEndExcluding": "6.9.9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: mark bpf_dummy_struct_ops.test_1 parameter as nullable\n\nTest case dummy_st_ops/dummy_init_ret_value passes NULL as the first\nparameter of the test_1() function. Mark this parameter as nullable to\nmake verifier aware of such possibility.\nOtherwise, NULL check in the test_1() code:\n\n SEC(\"struct_ops/test_1\")\n int BPF_PROG(test_1, struct bpf_dummy_ops_state *state)\n {\n if (!state)\n return ...;\n\n ... access state ...\n }\n\nMight be removed by verifier, thus triggering NULL pointer dereference\nunder certain conditions."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: marcar el par\u00e1metro bpf_dummy_struct_ops.test_1 como anulable Caso de prueba dummy_st_ops/dummy_init_ret_value pasa NULL como primer par\u00e1metro de la funci\u00f3n test_1(). Marque este par\u00e1metro como anulable para que el verificador sea consciente de tal posibilidad. De lo contrario, NULL verifica el c\u00f3digo test_1(): SEC(\"struct_ops/test_1\") int BPF_PROG(test_1, struct bpf_dummy_ops_state *state) { if (!state) return...; ... estado de acceso ... } El verificador podr\u00eda eliminarlo, lo que provocar\u00eda la desreferencia del puntero NULL bajo ciertas condiciones."}], "id": "CVE-2024-42151", "lastModified": "2024-12-09T23:09:53.587", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-07-30T08:15:06.690", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1479eaff1f16983d8fda7c5a08a586c21891087d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7f79097b0de97a486b137b750d7dd7b20b519d23"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1479eaff1f16983d8fda7c5a08a586c21891087d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7f79097b0de97a486b137b750d7dd7b20b519d23"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: bpf: mark bpf_dummy_struct_ops.test_1 parameter as nullable", "id": "2301518", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2301518"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: mark bpf_dummy_struct_ops.test_1 parameter as nullable\nTest case dummy_st_ops/dummy_init_ret_value passes NULL as the first\nparameter of the test_1() function. Mark this parameter as nullable to\nmake verifier aware of such possibility.\nOtherwise, NULL check in the test_1() code:\nSEC(\"struct_ops/test_1\")\nint BPF_PROG(test_1, struct bpf_dummy_ops_state *state)\n{\nif (!state)\nreturn ...;\n... access state ...\n}\nMight be removed by verifier, thus triggering NULL pointer dereference\nunder certain conditions."], "name": "CVE-2024-42151", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-42151\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-42151\nhttps://lore.kernel.org/linux-cve-announce/2024073033-CVE-2024-42151-b34a@gregkh/T"], "statement": "Red Hat Enterprise Linux 7 and 8 are not affected by this vulnerability.", "threat_severity": "Low"}

{}